Paul Bierlein, 7, rue de Rosheim, Strasbourg, was HD importer for France from 1922 to 1939. After WWII he repaired HD's into the 1960's. The machine has his logo on the tank.

Harlette France
Photographed at Inzell Motorcycle Show, Germany, by Craig Howell Licence: CC BY-NC-SA 2.0